keyword

what is a sleep cycle

Monthly search volume and cost-per-click data for "what is a sleep cycle" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=what+is+a+sleep+cycle&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $1.56 | | competition | 0.04 | | country | US | | updated | 2026-09-12 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
sleep stages	27,100	$1.38	20/20
stage of sleep	27,100	$1.25	20/20
stages of sleep	27,100	$1.38	20/20
cycles of sleep	22,200	$1.56	20/20
sleep cycle	22,200	$2.54	20/20
sleep cycles	22,200	$2.54	20/20
sleeping cycle	22,200	$1.56	20/20
sleeping cycles	22,200	$1.34	20/20
sleep cycle rem	12,100	$0.48	20/20
how long is a sleep cycle	6,600	$0.69	20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=what+is+a+sleep+cycle&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt